1985

6.8

2008

7.0

1995

4.6

2021

6.4

2017

7.8

1963

6.3

2018

6.8

1978

6.3

2019

4.1

1978

7.1

2025

5.3

1936

5.5

2006

6.2

1962

4.0

1962

3.0

2002

4.1

1991

7.7

1975

3.7

0.0

2023

7.9